This is similar to forming supertrend based on pivot high lows - but instead of using pivot poitns, we are using zigzag pivots here.
Zigzag is derived using the same method as this script:
But, have removed labels and display options of zigzag. Older lines are also immediately deleted so that it can work well in lower timeframes without any error. Number of zigzaglines to be kept in memory depends on the parameter History
WaitForConfirmation option when selected only considers the confirmed zigzaglines and will ignore present zigzag line which is forming. This is not going to make much difference as the present zigzag line will be always opposite to low or high it formed and hence will not affect the stop loss levels or reversals.
WaitForClose is for supertrend determination. When checked uses close prices. If unchecked uses highs and lows for supertrend direction update.
ATR parameters allow you to set an adjustment below pivot high lows. This is required because support and resistence are often zones rather than single point. Hence, adds bit more wiggle room for trend continuation and delays frequent reversals on pullbacks.
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In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.